Half Circle Crankshaft is especially designed fit for mini pocket bike 47cc 49cc. The size is about 44mm / 1.7inch, please confirm the original car size before buying. Engine Crankshaft is made of high quality alloy material, anti-corrosion and high strength for maximum durability. High quality material ensures stable performance and durability. Exquisite workmanship, stable performance and high reliability. High level of accuracy and sensitivity, enhance healthyty of your vehicle. Half Circle Crankshaft with easy installation. Based on the original factory specifications, a direct replacement for the old or broken one.<br><br> Item Type: Half Circle Crankshaft Colour: silver Material: aluminum alloy<br><br>Package Contents: 1 x Half Circle Crankshaft<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.